National water well Association. (1985). Well drilling manual. National water well Association.
Styl cytowania ChicagoNational water well Association. Well Drilling Manual. India: National water well Association, 1985.
Styl cytowania MLANational water well Association. Well Drilling Manual. National water well Association, 1985.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..